Adeveloperisdesigningthepresentationtierforawebapplicationthatreliesonacomplexsessionbean.ThesessionbeanisstillbeingdevelopedandtheAPIsforitareNOTfinalized.AnychangestothesessionbeanAPIdirectlyimpactsthedevelopmentofthepresentationtier.WhichdesignpatternprovidesameanstomanagetheuncertaintyintheAPI？（）
A.ViewHelper
B.FrontController
C.CompositeView
D.InterceptingFilter
E.BusinessDelegate
正确答案：参考E
